7-2
SAMA5D3x-EK User Guide
11180A–ATARM–30-Jan-13
7.1.1
Equipment List
Here is the list of the DM board components:
One 5.0” TFT LCD module
LCD back light driver
3.3V regulator
QTouch device
One-Wire device
7.1.2
Function Blocks
3.3V Regulator:
The 5-0_WVGA_R_AEA-DM Board features its own LDO for local power regulation. It accepts DC 5V
power from 500 mA high-side power switch on EK and outputs a reg3.3V to most other circuits
on the board.
Figure 7-2.
DM Power Supply
500mA capability
SELCONFIG
5V_INTER
3V3_LCD
C13
100n
C12
10u
C11
100n
C15
2.2u
C10
10u
MN3
SPX3819
VIN
1
GND
2
EN
3
BYP
4
VOUT
5
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